121947944013

Names of 121947944013

• Cardinal: 121947944013 can be written as One hundred twenty-one billion, nine hundred forty-seven million, nine hundred forty-four thousand and thirteen.

Scientific notation

• Scientific notation: 1.21947944013 × 10¹¹

Factors of 121947944013

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1074

Divisors of 121947944013

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 27 63 73 81 189 219 243 511 567 657 991 1533 1701 1971 2973 4599 5913 6937 8919 13797 17739 20811 26757 41391 62433 72343 80271 124173 187299 217029 240813 506401 561897 651087 982081 1519203 1685691 1953261 2946243 4557609 5859783 6874567 8838729 13672827 17579349 20623701 26516187 41018481 61871103 71691913 79548561 123055443 185613309 215075739 238645683 501843391 556839927 645227217 1505530173 1670519781 1935681651 4516590519 5807044953 13549771557 17421134859 40649314671 121947944013
• Sum of all divisors σ(n): 211840434624
• Sum of proper divisors (its aliquot sum) s(n): 89892490611
• 121947944013 is a deficient number, because the sum of its proper divisors (89892490611) is less than itself. Its deficiency is 32055453402

Bases of 121947944013

• Binary: 1110001100100101010011111010001001101₂
• Hexadecimal: 0x1C64A9F44D
• Base-36: 1K0SNNT9

Squares and roots of 121947944013

• 121947944013 squared (121947944013²) is 14871301048997782544169
• 121947944013 cubed (121947944013³) is 1813524587723649755457469911610197
• The square root of 121947944013 is 349210.4580521609
• The cube root of 121947944013 is 4958.9701514339

Scales and comparisons

• 121,947,944,013 seconds is equal to 3,877 years, 29 weeks, 3 days, 12 hours, 53 minutes, 33 seconds.
• To count from 1 to 121,947,944,013 would take you about seven thousand, seven hundred fifty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 121947944013 cubic inches would be around 413.2 feet tall.

Recreational maths with 121947944013

• 121947944013 backwards is 310449749121
• The number of decimal digits it has is: 12
• The sum of 121947944013's digits is 45
• More coming soon!